CN114077121A - Energy-saving heat dissipation device for solar wireless monitoring - Google Patents
Energy-saving heat dissipation device for solar wireless monitoring Download PDFInfo
- Publication number
- CN114077121A CN114077121A CN202010793335.9A CN202010793335A CN114077121A CN 114077121 A CN114077121 A CN 114077121A CN 202010793335 A CN202010793335 A CN 202010793335A CN 114077121 A CN114077121 A CN 114077121A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 39
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 28
- 239000002893 slag Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 238000005057 refrigeration Methods 0.000 claims description 6
- 239000004065 semiconductor Substances 0.000 claims description 6
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 238000000746 purification Methods 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 abstract description 2
- 239000013049 sediment Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000011324 bead Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 206010010904 Convulsion Diseases 0.000 description 1
- 241001233242 Lontra Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/55—Details of cameras or camera bodies; Accessories therefor with provision for heating or cooling, e.g. in aircraft
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/52—Elements optimising image sensor operation, e.g. for electromagnetic interference [EMI] protection or temperature control by heat transfer or cooling elements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Photovoltaic Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention belongs to the technical field of wireless monitoring, and particularly relates to an energy-saving heat dissipation device for solar wireless monitoring. According to the energy-saving heat dissipation device for solar wireless monitoring, the first slag storage groove, the second slag storage groove and the protruding block are arranged, so that impurities in rainwater can be collected and purified through the first slag storage groove and the second slag storage groove, the protruding block can block residues, the purification effect is improved, the monitoring camera is prevented from being damaged by rainwater residues, and the use safety of the device is improved.
Description
Technical Field
The invention relates to the technical field of wireless monitoring, in particular to an energy-saving heat dissipation device for solar wireless monitoring.
Background
Wireless monitoring refers to a monitoring system that transmits signals of video, sound, data, and the like using radio waves. The wireless monitoring does not need to perform cable defense, so that the initial construction cost is greatly reduced, and particularly, the wireless monitoring is applied to a large monitoring area.
The wireless monitoring camera is a very common wireless monitoring device, and current wireless monitoring camera is at the in-process that uses, and direct tail installation radiator fan at the camera carries out the cooling of dispelling the heat, and the natural environment that outdoor camera of utilization that this kind of mode can not be fine is located can not realize energy-conserving effect, consequently need design an energy-conserving heat abstractor for solar energy wireless monitoring and solve above-mentioned problem.
Disclosure of Invention
Based on the technical problems that the existing wireless monitoring is carried out by externally connecting a fan, the cooling effect is poor, and a large amount of energy is consumed, the invention provides an energy-saving heat dissipation device for solar wireless monitoring.
The invention provides an energy-saving heat dissipation device for solar wireless monitoring, which comprises a first arc-shaped supporting plate, wherein second arc-shaped supporting plates which are arranged equidistantly are fixedly installed on the outer wall of the bottom of the first arc-shaped supporting plate, first mounting grooves are formed in the outer walls of the two ends of the bottom of the second arc-shaped supporting plate, first water guide pipes are fixedly installed on the inner walls of the two first mounting grooves, second water guide pipes are fixedly installed on the outer walls of the tops of the two first water guide pipes, first filter screen plates are fixedly installed on the inner walls of the tops of the circumferences of the two second water guide pipes, water collecting pipes are fixedly installed on the outer walls of the tops of the first arc-shaped supporting plates, first slag storage grooves are formed in the inner walls of the two ends of the water collecting pipes, arc-shaped clamping plates are connected to the outer walls of the two ends of the bottom of the second arc-shaped supporting plate through hinges, and connecting plates are fixedly installed on the outer walls of the bottoms of the adjacent ends of the two arc-shaped clamping plates, threaded holes are formed in the outer wall of the middle of one end of each connecting plate, and the inner walls of the two threaded holes are connected with the same fixing bolt through threads.
Preferably, two the water drainage tank has all been seted up to the top outer wall that the arc splint kept away from one end each other, and the bottom inner wall of two water drainage tanks all becomes the bevel connection form.
Preferably, the top outer wall of the first arc-shaped supporting plate is provided with second slag storage grooves which are arranged equidistantly, and the inner walls of the notches of the second slag storage grooves are fixedly provided with lugs.
Preferably, the outer wall of one side of the bottom of the first arc-shaped supporting plate is fixedly provided with an air inlet pipe, and the outer wall of one side of the top of the air inlet pipe is fixedly provided with a solar cell panel.
Preferably, the inner walls at the two ends of the circumference of the air inlet pipe are fixedly provided with a protection screen plate, and the inner wall at one end of the circumference of the air inlet pipe is fixedly provided with an exhaust fan.
Preferably, the air inlet pipe is L-shaped, a second filter screen plate is fixedly mounted on the inner wall of an arc opening of the air inlet pipe, and the second filter screen plate is snake-shaped.
Preferably, the bottom outer wall of one side of the air inlet pipe is provided with a mounting opening, and the inner wall of the mounting opening is fixedly provided with a semiconductor refrigeration piece.
Preferably, a wind screen is fixedly mounted on the inner wall of the bottom of the other side of the air inlet pipe.
Preferably, the bottom outer wall fixed mounting of second arc backup pad has the frid, and the inner wall of frid pegs graft and have the heat-conducting plate, the equal fixed mounting of outer wall at heat-conducting plate top both ends has the spring, and the top outer wall of spring all through the notch top inner wall connection of bolt with the frid.
Compared with the prior art, the invention provides an energy-saving heat dissipation device for solar wireless monitoring, which has the following beneficial effects:
this an energy-conserving heat abstractor for solar energy wireless monitoring, bottom through at first arc backup pad is provided with second arc backup pad, and be provided with first aqueduct in second arc backup pad, second aqueduct and water gathering pipe, can collect the rainwater by water gathering pipe, with arc splint centre gripping at the top of surveillance camera head, the rainwater flows through second aqueduct and first aqueduct, and then cool down second arc backup pad and arc splint, and then realize cooling down the heat dissipation to the surveillance camera head, utilize the heat dissipation of rainwater, can effectually realize energy-conserving radiating effect.
This an energy-conserving heat abstractor for solar energy wireless monitoring through being provided with first sediment groove, second sediment groove and lug, can be collected by first sediment groove and second sediment groove impurity in to the rainwater and purify, and the lug can block the residue, improves purifying effect, avoids the rainwater residue to cause the damage to the surveillance camera head, has improved the security that the device used.
This an energy-conserving heat abstractor for solar energy wireless monitoring, through being provided with the intake pipe, and set the intake pipe into the L type, and it crosses the filter plate to set up the second in intake pipe inner wall lateral buckling department, make the second cross filter plate one-tenth snakelike structure simultaneously, use the air exhauster to carry out the in-process of convulsions, the air can the rebound, and the department of buckling at the intake pipe produces and turns to, it carries out purification treatment to the air to cross filter plate by the second, snakelike setting can effectual improvement filterable area, and then improve the filter effect, in addition, the deep bead can effectually guarantee that the distinguished and admirable second crosses filter plate, further assurance the sufficiency of purification, cool down the distinguished and admirable of suction by the semiconductor refrigeration piece, further improvement the radiating effect.
This an energy-conserving heat abstractor for solar energy wireless monitoring, in embodiment 2, through being provided with frid, spring and heat-conducting plate, can cushion the power of centre gripping in-process by the spring, avoid the clamping-force to cause the damage to the surveillance camera head, improved the security that the device used.
Drawings
Fig. 1 is a schematic perspective view of an energy-saving heat dissipation device for wireless solar monitoring according to the present invention;
fig. 2 is a schematic side sectional view of a part of an arc-shaped clamping plate and a first arc-shaped supporting plate of the energy-saving heat dissipation device for wireless solar monitoring according to the present invention;
fig. 3 is a schematic partial front sectional structural view of an air inlet pipe of an energy-saving heat dissipation device for wireless solar monitoring according to the present invention;
fig. 4 is a schematic side cross-sectional view of a part of a first arc-shaped support plate and a second arc-shaped support plate in embodiment 2 of the energy-saving heat dissipation apparatus for wireless solar monitoring according to the present invention.
In the figure: 1 intake pipe, 2 solar cell panel, 3 first arc backup pads, 4 water pipes, 5 water drainage tank, 6 arc splint, 7 connecting plates, 8 fixing bolt, 9 first aqueduct, 10 second aqueduct, 11 first storage sediment groove, 12 first filter plate, 13 second arc backup pads, 14 second storage sediment grooves, 15 lugs, 16 semiconductor refrigeration piece, 17 protection otter board, 18 deep bead, 19 second filter plate, 20 air exhauster, 21 frid, 22 spring, 23 heat-conducting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-3, an energy-saving heat dissipation device for solar wireless monitoring comprises a first arc-shaped support plate 3, the bottom outer wall of the first arc-shaped support plate 3 is connected with second arc-shaped support plates 13 which are equidistantly arranged through bolts, the outer walls of the two ends of the bottom of the second arc-shaped support plate 13 are respectively provided with a first mounting groove, the inner walls of the two first mounting grooves are respectively connected with a first water guide pipe 9 through bolts, the top outer walls of the two first water guide pipes 9 are respectively connected with a second water guide pipe 10 through bolts, the circumferential top inner walls of the two second water guide pipes 10 are respectively connected with a first filter screen plate 12 through bolts, the top outer wall of the first arc-shaped support plate 3 is connected with a water collecting pipe 4 through bolts, the inner walls of the two ends of the water collecting pipe 4 are respectively provided with a first slag storage groove 11, the outer walls of the two ends of the bottom of the second arc-shaped support plate 13 are respectively connected with an arc-shaped clamping plate 6 through hinges, and the bottom outer wall of the adjacent one end of two arc splint 6 all has connecting plate 7 through bolted connection, and threaded hole is all seted up to the middle part outer wall of two connecting plate 7 one ends, and the inner wall of two threaded hole has same fixing bolt 8 through threaded connection.
In the invention, the outer walls of the tops of the two arc-shaped clamping plates 6 far away from one end are both provided with the drainage grooves 5, and the inner walls of the bottoms of the two drainage grooves 5 are both in an inclined opening shape;
the outer wall of the top of the first arc-shaped supporting plate 3 is provided with second slag storage grooves 14 which are arranged at equal intervals, and the inner walls of the notches of the second slag storage grooves 14 are connected with lugs 15 through bolts;
the outer wall of one side of the bottom of the first arc-shaped supporting plate 3 is connected with an air inlet pipe 1 through a bolt, and the outer wall of one side of the top of the air inlet pipe 1 is connected with a solar cell panel 2 through a bolt;
the inner walls of two ends of the circumference of the air inlet pipe 1 are connected with a protective screen plate 17 through bolts, and the inner wall of one end of the circumference of the air inlet pipe 1 is connected with an exhaust fan 20 through bolts;
the air inlet pipe 1 is L-shaped, the inner wall of an arc opening of the air inlet pipe 1 is connected with a second filter screen plate 19 through bolts, and the second filter screen plate 19 is snake-shaped;
the outer wall of the bottom of one side of the air inlet pipe 1 is provided with a mounting opening, and the inner wall of the mounting opening is connected with a semiconductor refrigeration piece 16 through a bolt;
the bottom inner wall of the other side of the air inlet pipe 1 is connected with a wind shield 18 through a bolt.
The working principle is as follows: when in use, a user firstly needs to put the first arc-shaped supporting plate 3 on the top of the camera, clamp the arc-shaped clamping plate 6 on the outer wall of the camera and fix the arc-shaped clamping plate by the fixing bolt 8, then the exhaust fan 20 is started, the exhaust fan 20 blows air to the camera, the semiconductor refrigeration sheet 16 cools the air flow, thereby realizing the effect of heat dissipation of the camera, when the device is used, the solar panel 2 converts the solar energy into the electric energy to be stored in the accumulator provided with the solar panel 2, the device is subjected to auxiliary power supply treatment, the energy-saving and environment-friendly effects are improved, rainwater flows through the second water guide pipe 10 and the first water guide pipe 9, and then cool down second arc backup pad 13 and arc splint 6, and then realize cooling down the heat dissipation to the surveillance camera head, utilize the heat dissipation of rainwater, can effectually realize energy-conserving radiating effect.
Example 2
Referring to fig. 1-4, an energy-saving heat dissipation device for solar wireless monitoring further comprises a groove plate 21 installed on the outer wall of the bottom of the second arc-shaped support plate 13 through bolts, a heat conduction plate 23 is inserted into the inner wall of the groove plate 21, springs 22 are connected to the outer walls of the two ends of the top of the heat conduction plate 23 through bolts, and the outer walls of the top of the springs 22 are connected to the inner wall of the top of the groove plate 21 through bolts.
The working principle is as follows: during the use, be provided with frid 21, spring 22 and heat-conducting plate 23 through the bottom at second arc backup pad 13, can cushion the power of centre gripping in-process by spring 22, avoid the clamping-force to cause the damage to the surveillance camera head, improved the security of device use.
The control mode of the invention is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of the power supply also belongs to the common knowledge in the field, and the invention is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the invention.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. An energy-saving heat dissipation device for solar wireless monitoring comprises a first arc-shaped support plate (3) and is characterized in that second arc-shaped support plates (13) which are arranged equidistantly are fixedly installed on the outer wall of the bottom of the first arc-shaped support plate (3), first mounting grooves are formed in the outer walls of the two ends of the bottom of each second arc-shaped support plate (13), first water guide pipes (9) are fixedly installed on the inner walls of the two first mounting grooves, second water guide pipes (10) are fixedly installed on the outer wall of the top of each first water guide pipe (9), first filter screen plates (12) are fixedly installed on the inner walls of the tops of the circumferences of the two second water guide pipes (10), a water collecting pipe (4) is fixedly installed on the outer wall of the top of the first arc-shaped support plate (3), first slag storage grooves (11) are formed in the inner walls of the two ends of the water collecting pipe (4), arc-shaped clamping plates (6) are connected to the outer walls of the two ends of the bottom of each second arc-shaped support plate (13) through hinges, and the bottom outer wall of the adjacent one end of the two arc-shaped clamping plates (6) is fixedly provided with a connecting plate (7), the middle outer wall of one end of the two connecting plates (7) is provided with a threaded hole, and the inner wall of the two threaded holes is connected with the same fixing bolt (8) through threads.
2. The energy-saving heat dissipation device for the solar wireless monitoring as claimed in claim 1, wherein the top outer walls of the ends of the two arc-shaped clamping plates (6) away from each other are both provided with drainage grooves (5), and the bottom inner walls of the two drainage grooves (5) are both in the shape of an oblique opening.
3. The energy-saving heat dissipation device for solar wireless monitoring according to claim 1, wherein the outer wall of the top of the first arc-shaped support plate (3) is provided with second slag storage grooves (14) which are equidistantly arranged, and the inner walls of the grooves of the second slag storage grooves (14) are fixedly provided with lugs (15).
4. The energy-saving heat dissipation device for the solar wireless monitoring is characterized in that an air inlet pipe (1) is fixedly mounted on the outer wall of one side of the bottom of the first arc-shaped support plate (3), and a solar panel (2) is fixedly mounted on the outer wall of one side of the top of the air inlet pipe (1).
5. The energy-saving heat dissipation device for solar wireless monitoring according to claim 4, wherein the inner walls of the two ends of the circumference of the air inlet pipe (1) are both fixedly provided with a protection screen (17), and the inner wall of one end of the circumference of the air inlet pipe (1) is fixedly provided with an exhaust fan (20).
6. The energy-saving heat dissipation device for solar wireless monitoring according to claim 5, wherein the air inlet pipe (1) is L-shaped, a second filter screen (19) is fixedly installed on the inner wall of the arc opening of the air inlet pipe (1), and the second filter screen (19) is serpentine.
7. The energy-saving heat dissipation device for the solar wireless monitoring is characterized in that a mounting opening is formed in the outer wall of the bottom of one side of the air inlet pipe (1), and a semiconductor refrigeration piece (16) is fixedly mounted on the inner wall of the mounting opening.
8. The energy-saving heat dissipation device for the wireless solar monitoring is characterized in that a wind shield (18) is fixedly mounted on the inner wall of the bottom of the other side of the air inlet pipe (1).
9. The energy-saving heat dissipation device for the solar wireless monitoring is characterized in that a groove plate (21) is fixedly mounted on the outer wall of the bottom of the second arc-shaped support plate (13), a heat conduction plate (23) is inserted into the inner wall of the groove plate (21), springs (22) are fixedly mounted on the outer walls of the two ends of the top of the heat conduction plate (23), and the outer walls of the top of the springs (22) are connected with the inner wall of the top of the groove plate (21) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010793335.9A CN114077121B (en) | 2020-08-10 | 2020-08-10 | Energy-saving heat dissipation device for solar wireless monitoring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010793335.9A CN114077121B (en) | 2020-08-10 | 2020-08-10 | Energy-saving heat dissipation device for solar wireless monitoring |
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| CN114077121A true CN114077121A (en) | 2022-02-22 |
| CN114077121B CN114077121B (en) | 2024-05-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205071149U (en) * | 2015-11-06 | 2016-03-02 | 中冶赛迪工程技术股份有限公司 | Video capture device |
| CN209676736U (en) * | 2018-12-08 | 2019-11-22 | 大连智宏科技咨询有限公司 | A kind of high-cooling property mixing audio and video matrix equipment |
| CN210093380U (en) * | 2019-06-27 | 2020-02-18 | 深圳市创智安防设备有限公司 | Novel energy-concerving and environment-protective control for building device |
| CN210297873U (en) * | 2019-10-22 | 2020-04-10 | 深圳市施瑞安科技有限公司 | Intelligent waterproof radiating monitoring camera |
| CN210315918U (en) * | 2019-05-27 | 2020-04-14 | 李娟� | Sponge city rainwater shunting discharging equipment |
| CN210327823U (en) * | 2019-11-07 | 2020-04-14 | 陈志刚 | Engineering safety monitoring device based on computer network |
-
2020
- 2020-08-10 CN CN202010793335.9A patent/CN114077121B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205071149U (en) * | 2015-11-06 | 2016-03-02 | 中冶赛迪工程技术股份有限公司 | Video capture device |
| CN209676736U (en) * | 2018-12-08 | 2019-11-22 | 大连智宏科技咨询有限公司 | A kind of high-cooling property mixing audio and video matrix equipment |
| CN210315918U (en) * | 2019-05-27 | 2020-04-14 | 李娟� | Sponge city rainwater shunting discharging equipment |
| CN210093380U (en) * | 2019-06-27 | 2020-02-18 | 深圳市创智安防设备有限公司 | Novel energy-concerving and environment-protective control for building device |
| CN210297873U (en) * | 2019-10-22 | 2020-04-10 | 深圳市施瑞安科技有限公司 | Intelligent waterproof radiating monitoring camera |
| CN210327823U (en) * | 2019-11-07 | 2020-04-14 | 陈志刚 | Engineering safety monitoring device based on computer network |
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| CN114077121B (en) | 2024-05-07 |
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